Extech Instruments MA130 Manuale utente

USER MANUAL

200A AC Mini Clamp

Meter

Model MA130

Please visit www.extech.com for user

manual translations

MA130-en-GB_V1.0 10/16

Introduction

Thank you for selecting the Extech Instruments 200A AC

Mini Clamp Meter. The MA130 measures AC Current in

three ranges 2A, 20A, and 200A.

This device is shipped fully tested and calibrated and, with

proper use, will provide years of reliable service. Please

visit our website (www.extech.com) to check for the

latest version of this User Manual, Translations, Product

Updates, Product Registration, and Customer Support.

Features

•Measures AC Current in three manually selectable

ranges 2A, 20A, and 200A

•2000 count Backlit LCD display

•Data Hold freezes displayed reading

•MAX function shows highest reading

•Compact 17mm (0.7") jaw size

•Low battery indicator and Auto Power Off feature

•CAT II-600V and CAT III-300V safety rating

Safety Information

To ensure the safe operation and service of the meter,

follow these instructions closely. Failure to observe

warnings can result in severe injury.

WARNINGS

WARNINGS identify hazardous conditions and

actions that could cause BODILY HARM or DEATH.

Use the meter only as specified in this User Manual to

avoid compromising the protections provided by the

meter.

Be sure to use the switch positions, and ranges when

taking measurements.

Do not use clamp meter on a circuit with voltages

higher than 600V.

Use caution working with voltages above 30 VAC

RMS, 42 VAC peak, or 60 VDC. These voltages pose a

shock hazard.

To avoid misleading readings that could lead to

electric shock and injury, replace the batteries as

soon as the low battery indicator is displayed.

MA130-en-GB_V1.0 10/16

Do not use the meter in the presence of explosive gas

or vapor.

To reduce risk of fire or electric shock, do not use the

meter if it is wet and do not expose the meter to

moisture.

Individual protective equipment should be used if

HAZARDOUS LIVE parts in the installation where

measurements are to be carried out could be

accessible.

CAUTIONS

CAUTIONS identify conditions and actions that

could cause

DAMAGE to the meter or equipment under test. Do

not expose the meter to extremes in temperature

or high humidity.

Do not expose the meter to extremes in temperature

or to high humidity.

Safety Symbols that are typically marked

on meters and instructions

This symbol, adjacent to another

symbol, indicates the user must refer

to the manual or user guide for

further information.

Risk of electrical shock

Equipment protected by double or

reinforced insulation

Battery symbol

Conforms to EU directives

Do not discard this product in

household trash

AC measurement

Earth ground

MA130-en-GB_V1.0 10/16

PER IEC1010 OVERVOLTAGE INSTALLATION

CATEGORY

OVERVOLTAGE CATEGORY I

Equipment of OVERVOLT AGE CATEGORY I is equipment for

connection to circuits in which measures are taken to limit the

transient over-voltages to an appropriate low level.

Note –Examples include protected electronic circuits.

OVERVOLTAGE CATEGORY II

Equipment of OVERVOLTAGE CATEGORY II is energy-consuming

equipment to be supplied from the fixed installation.

Note –Examples include household, office, and laboratory

appliances.

OVERVOLTAGE CATEGORY III

Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed

installations.

Note –Examples include switches in the fixed installation and

some equipment for industrial use with permanent connection to

the fixed installation.

OVERVOLTAGE CATEGORY IV

Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin

of the installation.

Note –Examples include electricity meters and primary over-

current protection equipment

Meter Description

1. Clamp Jaw

2. Protective barrier

3. Clamp jaw trigger

open/close

4. Range selection

switch

5. Hold button

6. MAX button

7. Backlight button

8. LCD display

9. Indicator for

geometric center

of clamp head

Note: Battery

compartment is located on back of meter.

MA130-en-GB_V1.0 10/16

Push-Button Descriptions

H (HOLD) button

Short press to freeze displayed reading (Hicon is

visible). Press again to release the reading.

Backlight button

Press and hold for at least 2 seconds to toggle the

backlight ON-OFF.

MAX button

Press to view the highest (MAX: maximum) readings.

Operating Instructions

CAUTION: Read and understand all of the Safety

statements listed in the safety section of this manual prior

to use.

Powering the Meter

1. Turn the rotary function switch to any position to

power the meter. Check the batteries if the unit fails

to power ON. Refer to the Maintenance section for

battery and fuse replacements.

2. Turn the function switch to the OFF position to power

OFF the meter.

Automatic Power OFF (APO)

The meter automatically powers off (APO) after

approximately 15 minutes of inactivity. In APO mode, turn

the rotary switch OFF and then ON to restart the meter.

The meter can also be powered on by pressing any button

to wake the instrument.

MA130-en-GB_V1.0 10/16

AC Current Measurements

CAUTION: Observe CAT II 600V, CAT III 300V with respect to Earth

Ground for the Jaw.

1. Set the Function switch to the 2A, 20A, or 200A

range.

2. Press the Trigger to open the clamp jaw.

3. Clamp onto a single conductor (fully enclosing it). See

diagram below for proper clamping technique.

4. Use the indicator mark to determine the geometric

center of the clamp head (see Meter Description

section). Position the measured electrical conductor

as close to this geometric center as possible.

5. Do not allow a gap between the two halves of the

jaw.

6. Read the ACA value on the LCD.

Data Hold

To freeze the displayed reading on the LCD, long press the

Data Hold (H) button (the Hicon will appear on the

display). To release the Data Hold function and return the

meter to normal operation, long press the Data Hold (H)

button again (the Hicon will switch off).

MAX Reading

1. Press MAX to show the highest reading on the

display. The MAXHdisplay icon will appear and the

reading shown will be the highest reading; updating

only when a higher reading is encountered.

2. Press MAX again to exit this mode and to view real

time readings. The MAXH display icon will switch

off.

MA130-en-GB_V1.0 10/16

Display Backlight

Long press the backlight button to toggle the display

backlight ON or OFF. The backlight automatically dims

after 15 seconds.

Maintenance

WARNING: To avoid electrical shock, disconnect

the meter from any circuit and turn OFF the meter before

opening the case. Do not operate with an open case.

Battery Replacement

1. Turn power OFF.

2. Remove the (1) Phillips head screw that secures the

battery compartment on the back of the meter.

3. Open the battery compartment and replace the

two (2) 1.5V AAA batteries observing correct

polarity.

4. Re-assemble the meter before use.

Safety: Please dispose of batteries responsibly; never

dispose of batteries in a fire, batteries may explode or leak.

If the meter is not to be used for 60 days or more, remove

the battery and store separately.

Never dispose of used batteries or rechargeable batteries in

household waste.

As consumers, users are legally required to take

used batteries to appropriate collection sites, the

retail store where the batteries were purchased, or

wherever batteries are sold.

Disposal: Do not dispose of this instrument in household

waste. The user is obligated to take end-of-life devices to a

designated collection point for the disposal of electrical and

electronic equipment.

Cleaning and Storage

Periodically wipe the case with a damp cloth and mild

detergent; do not use abrasives or solvents. If the meter is

not to be used for 60 days or more, remove the batteries

and store separately.

MA130-en-GB_V1.0 10/16

Specifications

Specifications stated for ambient conditions 23°C ±5°C (73.4

°F ±9°F); Relative Humidity < 75%

General Specifications

Display

2000 count LCD with multifunction

indicators

Functions

Current (ACA)

Polarity

“-“ indicates negative polarity

(positive polarity assumed)

Overload

Protection

Max. overload protection for clamp

head terminal is 200A.

O.L. is displayed.

Display rate

2-3 readings/second

Battery

Two 1.5V AAA batteries; Low battery

display

Operating

Temperature

0°C to 40°C (32°F to 104°F)

Operating

Humidity

0°C to 30°C (32°F to 86°F); <75%RH

30°C to 40°C (86°F to 104°F); <

50%RH

Storage

Temperature

-10°C to 50°C (14°F to 122°F)

Altitude

<2000m (6562’)

Weight

150g (5.3 oz.) including battery

Dimensions

158 x 60 x 33.5mm (6.2 x 2.4 x 1.3”)

Jaw opening

16mm (0.6”)

Standards

EN 61010-1, EN61010-2-032,

EN61010-2-033; Category II 600V,

Category III 300V; pollution degree

2; double insulation

Electromagnetic

compatibility

< 1V/m RF field: Overall accuracy =

specified accuracy +5% of the range.

Unspecified indication for 1V/m RF

field.

MA130-en-GB_V1.0 10/16

Range Specifications

Accuracy stated for ambient conditions 23°C ±5°C (73.4°F

±9°F)

Current

Ranges

Resolution

Accuracy

Overload

Protection

2.000 A

1mA

±(4.0%rdg+

30 digits)

200A AC

20.00 A

10mA

±(3.0%rdg

+ 20 digits)

200A AC

200.0 A

100mA

±(2.5%rdg

+ 20 digits)

200A AC

Notes:

Frequency range: 50/60Hz

Maximum overload protection for clamp head terminal

is 200A

Accuracy stated for 10~100% of range; < 20-digit

residual reading for 2A open circuit.

form

ISO-9001 Certified

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